JDBC Driver Uncover
A common source of confusion for Java is that JDBC has different versions, and JDBC drivers have different types that can be used by different versions of Java. Also, the new Java specification is always under development because the related functionality is continually being extended through the J
Com. IBM. db2.jdbc. db2exception: [IBM] [CLI driver] [DB2/NT] sql0911n has rolled back the current transaction due to a deadlock or timeout. Cause code "2 ". Sqlstate = 40001
Solutions provided by IBM for this problem
This problem may be caused by the DB2 deadlock caused by
] at COM.IBM.DB2.JCC.T4.CB.A (Cb.java: A) ~[Db2jcc.jar:na] at COM.IBM.DB2.JCC.T4.Q.A (Q.java: +) ~[Db2jcc.jar:na] at COM.IBM.DB2.JCC.T4.RB.I (Rb.java:135) ~[Db2jcc.jar:na] at COM.IBM.DB2.JCC.AM.JN.GB (Jn.java:2064) ~[Db2jcc.jar:na] at Com.ibm.db2.jcc.am.jn.a (Jn.java:3089) ~[Db2jcc.jar:na] at Com.ibm.db2.jcc.am.jn.a (Jn.java:679) ~[Db2jcc.jar:na] at Com.ibm.db2.jcc.am.jn.executeQuery (Jn.java:663) ~[db2jcc.jar:na]Platform Webinf cfg.db.deploy.properties configuration:# for db2database.driver=com
Java is increasingly widely used, and using Java programs to Access databases requires a JDBC driver. According to the JDBC specification, the JDBC driver is divided into four categories:
Class One: Drivers are mappings to another data access API, such as ODBC, an example o
The differences between com. mysql. jdbc. Driver and com. mysql. cj. jdbc. Driver,
Overview: com. mysql. jdbc. Driver is in mysql-connector-java 5, while com. mysql. cj. jdbc.
The following articles mainly introduce the full contact of the DB2 driver types. We all know the related data access APIs provided by different versions of the database product line of IBM. It can be said that there are many data access APIs, these include early CLI-based Drivers, recent pure Java drivers, and combinations of CLI and Java.
For a specific DB2 ver
version correspondence and selection of appropriate generic drivers. fortunately, IBM has begun to unify and pay attention to ease of use. These efforts have started from DB2 UDB V7. since then, according to the JDBC driver type in the Java field, IBM has three types of drivers.
The jdbc type 2
The description of the DB2 database driver type is the main content of this article. At the same time, this article also describes the early CLI-based Drivers, recent pure Java drivers, and the combination of CLI and Java. for a specific DB2 version, the driver has a specific drive
During the summer vacation, I made a project using SSH + mysql5.0 + atat5.5.After deployment to the server (Tomcat is 6.0.32), the test runs normally. The next day, I found that I could not log on. I checked the system and found no problems. I restarted Tomcat and recovered to normal again.Very strange, so I checked Tomcat logs and found the following problems:
2011-9-1 0:15:11 org. Apache. Catalina. startup. Catalina startInformation: server startup in 35866 MS2011-9-1 2:05:43 org. Apache. Coyo
All the configurations have been completed, and the server under eclipse can run. When the *. War package is output, it cannot run.
Jdbcexceptionreporter cannot load JDBC Driver Class ...... Error
After checking online, we can see that a similar error is successfully solved. The content is as follows:
Standardwrapper. throwableOrg. springframework. JDBC. canno
MySQL loads the JDBC driver and mysql loads the jdbc driver.
First, install the MySQL database. MySQL5.5 is installed. The installation steps are not described here. Please note that if the installation process stops at the start service and cannot continue, please refer to my blog post "when installing MySQL5.5,
During the installation and JDBC development of DB2, you may encounter some common problems and make a record to be noted:
1. License
Whether the DB2 version is genuine or not depends on the license, but there is no prompt during the installation process. License installation:
Db2licm-A [path]/db2ese. Lic
If the license is incorrect, the biggest impact is that th
MySQL loads the JDBC driver and mysql loads the jdbc driver.
First, install the MySQL database. MySQL5.5 is installed. The installation steps are not described here. Please note that if the installation process stops at the start service and cannot continue, please refer to my blog post "when installing MySQL5.5, the
The following articles mainly describe the correct operation steps for connecting JDBC to a DB2 instance and the actual operation code used for connecting JDBC to a DB2 instance, the following is a detailed description of the main content of the article. I hope you will have a better understanding of it after browsing.
Brief introduction
The Db2®universal database™ (UDB) JDBC driver has proven to be a powerful and IBM-supported technology. Jython is a pure Java implementation of the Python programming language.
First, we'll tell you why Jython is powerful, easy to use, and fun to write DB2 JDBC
[Database Study Notes] (1) JDBC driver category and Study Notes jdbc
There are several methods for jdbc to load database drivers:
Type 4: Local protocol driver Type 1: jdbc-odbc bridge
Recently, an exception occurred when connecting to DB2 v9.5 on another machine using JDBC:
Com. IBM. db2.jcc. B. disconnectexception: encoding not supported !!
DB2 server environment: Windows Server 2003, Sun jdk1.5.0 _ 22, DB2 v9.5
Connection environment:Windows Server 2003
This article describes how to connect to a DB2 database through JDBC, if you are interested in the Operation Skills for connecting JDBC to the DB2 database, you can click the following article to view it. The following is a detailed description of the article. I hope you can learn from it.
There are many articles on
The following articles mainly describe the practical operation skills for connecting JDBC to the DB2 database. If you are interested in the actual operation skills for connecting JDBC to the DB2 database, you can click to view the following articles. The following describes the specific solution and hope it will be hel
This article mainly describes the actual operations on connecting JDBC to the DB2 database. We all know that there are many articles on the actual operations on the JDBC connection of the DB2 database, among them, the famous ones are "JDBC database connection Daquan" and "JS
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